초록 ▼

A fuel injection system has one or more unit fuel injectors or pump-line-nozzle system, corresponding in number to the number of cylinders, for compressing the fuel and a hydraulic pressure booster unit. With the aid of the unit fuel injector and the pressure booster unit, a fuel injection can be pe

A fuel injection system has one or more unit fuel injectors or pump-line-nozzle system, corresponding in number to the number of cylinders, for compressing the fuel and a hydraulic pressure booster unit. With the aid of the unit fuel injector and the pressure booster unit, a fuel injection can be performed with great precision over a wide rpm range.

대표청구항 ▼

1. In a fuel injection system (1; 50; 71; 80; 90) having one or more unit fuel injectors or pump-line-nozzle systems (6; 51), corresponding in number to the number of engine cylinders to be supplied, for compressing the fuel, the improvement wherein the fuel injection system (1; 50; 71; 80; 90) comp

1. In a fuel injection system (1; 50; 71; 80; 90) having one or more unit fuel injectors or pump-line-nozzle systems (6; 51), corresponding in number to the number of engine cylinders to be supplied, for compressing the fuel, the improvement wherein the fuel injection system (1; 50; 71; 80; 90) comprises a hydraulic pressure booster unit (10; 40; 54; 62; 93) having a displaceable piston element, wherein the fuel injection system includes a fuel supply line provided for bypassing the pressure booster unit (10; 40; 54; 62; 93), and wherein the fuel injection system is arranged so that the fuel supply line can bypass the pressure booster unit (10; 40; 54; 62; 93) regardless of the position of the displaceable piston element. 2. The fuel injection system of claim 1, wherein a cross-sectional control of at least one valve is provided for forming a course of injection. 3. The fuel injection system of claim 2, wherein a pressure storage chamber (41; 64) for storing fuel is disposed between the pressure booster unit (40; 62) and the nozzle chamber (19; 63). 4. The fuel injection system of claim 1, wherein a pressure storage chamber (41; 64) for storing fuel is disposed between the pressure booster unit (40; 62) and the nozzle chamber (19; 63).